# Light and Gravitational\_waves

**URL:** <https://ask.igwn.org/t/light-and-gravitational-waves/1469>\
**Category:** Open Data Workshop\
**Created:** [April 20, 2026, 4:23pm UTC](https://ask.igwn.org/t/light-and-gravitational-waves/1469 "2026-04-20T16:23:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![TaoTang-xw](https://avatars.discourse-cdn.com/v4/letter/t/f14d63/32.png) [@TaoTang-xw](https://ask.igwn.org/u/TaoTang-xw)\
**Post date:** [April 20, 2026, 4:23pm UTC](https://ask.igwn.org/t/light-and-gravitational-waves/1469/1 "2026-04-20T16:23:31Z")

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1. Introduction

When the stones hit the water, they generate concentric waves that move away from the source, as shown in Fig.1.

 ![image](https://canada1.discourse-cdn.com/flex031/uploads/gwosc/original/1X/91a6dde7451d13ecd0ecdfd54ca057615caa9f33.jpeg)

Fig.1.This an image of water waves.

Gravitational\_waves are heard by LIGO. The interferometer can hear gravitational waves, but gravitational\_waves are invisible, this is the currently popular viewpoint. We can not be limited by this viewpoint; otherwise, physics would not be able to develop. In classical physics, a basic fact of gravitation is that two particles exert forces on one another. A point of view is the field concept, which regards a particle as modifying the space around it in some way and setting up a gravitational\_field. Gravitational\_waves are caused by the disturbance of the gravitational\_field. Any hypothesis in physics must be tested through experiments. In order to explore this question, I performed experiments in this area.

2. Experiment

Flatten a small area on the surfaces where the two lead spheres will join, then press them tightly together. It was found that two lead spheres stick to each other, and even hanging a heavy object underneath will not be able to pull them apart, as shown in Fig.2.

![image](https://canada1.discourse-cdn.com/flex031/uploads/gwosc/original/1X/541b7d2812b110e89e6438496fb8e0bce6790779.jpeg)

 ![image](https://canada1.discourse-cdn.com/flex031/uploads/gwosc/original/1X/0177dbb4ec6459b96d71f977ca6666da845942d3.jpeg) ![image](https://canada1.discourse-cdn.com/flex031/uploads/gwosc/original/1X/354e891b29c6a978ce4572a39587744a12f1694c.jpeg) ![image](https://canada1.discourse-cdn.com/flex031/uploads/gwosc/original/1X/ef6f61774e6f0999a9e5fb3c7e811f42e6193a53.jpeg) ![image](https://canada1.discourse-cdn.com/flex031/uploads/gwosc/original/1X/3f570a1e2ce1aef485c128151cb4ec3a977a7b07.jpeg)

**Fig.2.** The mass of each lead sphere is 150_g_. The mass of the heavy object is 200_g_.

This indicates that the gravitational effect between the two metal spheres is large.

We placed two steel spheres between the laser source and the screen, as shown in Fig.3. When a laser beam passing through the narrow gap between two steel spheres and creates a pattern of ripples on the screen of Fig.4, it is also like the image in Fig.1.

 ![image](https://canada1.discourse-cdn.com/flex031/uploads/gwosc/original/1X/7ebc80256918fecaed9ac3703479a78e693923db.jpeg)

**Fig.3.** The mass of each steel sphere is 3_kg_.

 ![image](https://canada1.discourse-cdn.com/flex031/uploads/gwosc/original/1X/252d0e778e441099e63ac05d794f86d829af669f.jpeg)

**Fig.4.** A pattern of ripples on the scree n.

These ripples are caused by the disturbance of the gravitational\_field between two steel spheres.

According to this point of view, these ripples as in Fig.4 might be called gravitational\_waves in classical physics.

The width of the narrow gap between two steel spheres is 0.1_mm_, as shown in Fig.5. When a laser beam passing through the narrow gap between two steel spheres and creates a pattern of ripples on the screen, as shown in Fig.6.

 ![image](https://canada1.discourse-cdn.com/flex031/uploads/gwosc/original/1X/6b21cbf0aad40bfa168cab87821dad157756fdec.jpeg)

**Fig.5.** The mass of each steel sphere is 4.1_kg_.

 ![image](https://canada1.discourse-cdn.com/flex031/uploads/gwosc/original/1X/f97ecfcebb5ce67966300c0b7053769fe422fa5d.jpeg)

Fig.6. There are 6 bright ripples within the range of 100_mm_.

The width of the narrow gap between two steel spheres is 0.4_mm_, as shown in Fig.7. When a laser beam passing through the narrow gap between two steel spheres and creates a pattern of ripples on the screen, as shown in Fig.8.

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**Fig.7.** The mass of each steel sphere is 4.1_kg_.

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Fig.8. There are 10 bright ripples within the range of 100_mm_.

Comparing Fig.6 with Fig.8, the width of the narrow gap increases, and the number of bright ripples increases within the range of 100_mm_.

The width of the narrow gap between two steel spheres is 0.1_mm_, as shown in Fig.9. When a laser beam passing through the narrow gap between two steel spheres and creates a pattern of ripples on the screen, as shown in Fig.10.

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Fig.9. The mass of each steel sphere is 3_kg_.

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Fig.10. There are 7 bright ripples within the range of 100_mm_.

Comparing Fig.6 with Fig.10, the mass of the steel sphere increases, and the number of bright ripples decreases within the range of 100_mm_.

3. Conclusion

From the above, it can be seen that gravitational\_waves in classical physics have the following three characteristics:

(Ⅰ) gravitational\_waves in classical physics are visible under the action of a laser, and ripples of gravitational\_waves in classical physics consist of bright and dark bands or fringes;

(Ⅱ) the number of bright ripples is directly proportional to the width of the narrow gap between two steel spheres within a limited range;

(Ⅲ) the number of bright ripples is inversely proportional to the mass of each of two steel spheres within a limited range.

Einstein’s theory of relativity is suitable for objects moving at high speeds. Under low-speed or static conditions, Newton’s theory of gravity combined with the theory of gravitational\_field should be applied.

**Tao Tang**

_Email_: [TangTao60318@outlook.com](mailto:TangTao-xw-yn@outlook.com)

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**Author:** ![EvolutionEchoTec](https://avatars.discourse-cdn.com/v4/letter/e/2acd7d/32.png) [@EvolutionEchoTec](https://ask.igwn.org/u/EvolutionEchoTec)\
**Post date:** [April 28, 2026, 4:11am UTC](https://ask.igwn.org/t/light-and-gravitational-waves/1469/2 "2026-04-28T04:11:09Z")

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We’ve been exploring gravitational-wave behavior through a physics-bounded simulation framework not claiming we can “make” gravitational waves, but studying how weak spacetime disturbance models, field-coupled tuning, cryogenic stability, and AI-assisted sensing may interact inside the Echo–Charwell architecture.

What we’ve discovered so far is important: the strongest path is not brute force. It is stability, phase control, signal isolation, and resonance discipline. In our simulations, small improvements in field coherence and timing control appear to increase the system’s ability to detect, stabilize, and interpret extremely weak gravitational-style perturbations.

That points toward a bigger possibility: future systems may not need to overpower nature. They may need to listen to it more precisely.

Echo–Charwell is being developed one validation step at a time separating proven science, simulation results, and theoretical extensions clearly with the goal of building hardware that can test these ideas responsibly.

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Learn the rhythm of the field before trying to move through it.

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